git.sur5r.net Git - openldap/blob - servers/slapd/slappasswd.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1998-2008 The OpenLDAP Foundation.
   5  * Portions Copyright 1998-2003 Kurt D. Zeilenga.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* ACKNOWLEDGEMENTS:
  17  * This work was initially developed by Kurt Zeilenga for inclusion
  18  * in OpenLDAP Software.
  19  */
  20
  21 #include "portable.h"
  22
  23 #include <stdio.h>
  24
  25 #include <ac/stdlib.h>
  26
  27 #include <ac/ctype.h>
  28 #include <ac/signal.h>
  29 #include <ac/socket.h>
  30 #include <ac/string.h>
  31 #include <ac/time.h>
  32 #include <ac/unistd.h>
  33
  34 #include <ldap.h>
  35 #include <lutil.h>
  36 #include <lutil_sha1.h>
  37
  38 #include "ldap_defaults.h"
  39
  40 static int      verbose = 0;
  41
  42 static void
  43 usage(const char *s)
  44 {
  45         fprintf(stderr,
  46                 "Usage: %s [options]\n"
  47                 "  -h hash\tpassword scheme\n"
  48                 "  -s secret\tnew password\n"
  49                 "  -c format\tcrypt(3) salt format\n"
  50                 "  -u\t\tgenerate RFC2307 values (default)\n"
  51                 "  -v\t\tincrease verbosity\n"
  52                 "  -T file\tread file for new password\n"
  53                 , s );
  54
  55         exit( EXIT_FAILURE );
  56 }
  57
  58 int
  59 slappasswd( int argc, char *argv[] )
  60 {
  61 #ifdef LUTIL_SHA1_BYTES
  62         char    *scheme = "{SSHA}";
  63 #else
  64         char    *scheme = "{SMD5}";
  65 #endif
  66
  67         char    *newpw = NULL;
  68         char    *pwfile = NULL;
  69         const char *text;
  70         const char *progname = "slappasswd";
  71
  72         int             i;
  73         struct berval passwd;
  74         struct berval hash;
  75
  76         while( (i = getopt( argc, argv,
  77                 "c:d:h:s:T:vu" )) != EOF )
  78         {
  79                 switch (i) {
  80                 case 'c':       /* crypt salt format */
  81                         scheme = "{CRYPT}";
  82                         lutil_salt_format( optarg );
  83                         break;
  84
  85                 case 'h':       /* scheme */
  86                         scheme = strdup( optarg );
  87                         break;
  88
  89                 case 's':       /* new password (secret) */
  90                         {
  91                                 char* p;
  92                                 newpw = strdup( optarg );
  93
  94                                 for( p = optarg; *p != '\0'; p++ ) {
  95                                         *p = '\0';
  96                                 }
  97                         } break;
  98
  99                 case 'T':       /* password file */
 100                         pwfile = optarg;
 101                         break;
 102
 103                 case 'u':       /* RFC2307 userPassword */
 104                         break;
 105
 106                 case 'v':       /* verbose */
 107                         verbose++;
 108                         break;
 109
 110                 default:
 111                         usage ( progname );
 112                 }
 113         }
 114
 115         if( argc - optind != 0 ) {
 116                 usage( progname );
 117         }
 118
 119         if( pwfile != NULL ) {
 120                 if( lutil_get_filed_password( pwfile, &passwd )) {
 121                         return EXIT_FAILURE;
 122                 }
 123         } else {
 124                 if( newpw == NULL ) {
 125                         /* prompt for new password */
 126                         char *cknewpw;
 127                         newpw = strdup(getpassphrase("New password: "));
 128                         cknewpw = getpassphrase("Re-enter new password: ");
 129
 130                         if( strcmp( newpw, cknewpw )) {
 131                                 fprintf( stderr, "Password values do not match\n" );
 132                                 return EXIT_FAILURE;
 133                         }
 134                 }
 135
 136                 passwd.bv_val = newpw;
 137                 passwd.bv_len = strlen(passwd.bv_val);
 138         }
 139
 140         lutil_passwd_hash( &passwd, scheme, &hash, &text );
 141         if( hash.bv_val == NULL ) {
 142                 fprintf( stderr,
 143                         "Password generation failed for scheme %s: %s\n",
 144                         scheme, text ? text : "" );
 145                 return EXIT_FAILURE;
 146         }
 147
 148         if( lutil_passwd( &hash, &passwd, NULL, &text ) ) {
 149                 fprintf( stderr, "Password verification failed. %s\n",
 150                         text ? text : "" );
 151                 return EXIT_FAILURE;
 152         }
 153
 154         printf( "%s\n" , hash.bv_val );
 155         return EXIT_SUCCESS;
 156 }